GE D90 Plus Instruction Manual page 529

CHAPTER 12: LOCAL INTERFACE
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Local Lock
Range: any FlexLogic™ operand or shared operand
Default: OFF
When the operand assigned to this setting is asserted, pushbutton operation from the
front panel interface is inhibited. This locking functionality is not applicable to
pushbutton autoreset.
Dropout Time
Range: 0.0 to 60.0 seconds in steps of 0.1
Default: 0.0 seconds
This setting specifies the duration of the pushbutton active status after the pushbutton
has been released. This setting applies only to self-reset mode and is required to set the
duration of the pushbutton operating pulse.
Events
Range: Disabled, Enabled
Default: Enabled
This setting enables and disables the logging of user-programmable pushbutton events
in the sequence of events recorder.
The user-programmable pushbutton 1 logic is shown below. The logic is functionally
identical for all user-programmable pushbuttons.
Figure 455: User-programmable pushbutton logic, sheet 1 of 2
USER-PROGRAMMABLE PUSHBUTTONS
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